April runoff into the Missouri River basin above Sioux City was resulting in the yearly runoff forecast being lowered.

Missouri River upper basin runoff is expected to be lower than normal this spring, according to officials with the U.S. Army ...

Runoff into the Missouri River above Sioux City was 1.4 million acre-feet (MAF) in April, 48% of average. The dry month led ...

Runoff in the Missouri River Basin above Sioux City during April 2025 was 48% of average (1.4 million acre-feet), putting the ...

Welcome back to another fishing season on the Mighty Missouri River! A big thanks to all the incredible guides who provide us with accurate information for this report. We encourage readers to visit ...

Trout tagging is going on its second year in the Big Hole, Beaverhead, Ruby and Madison Rivers. Tagging local trout is meant ...

The tagging is part of ongoing research aimed at understanding trout declines and fish health concerns in rivers in the upper ...

The Montana Department of Fish, Wildlife and Parks is asking anglers in the state to help with ongoing trout research projects. Working with Montana State University, biologists are in their second ...

Montana Fish, Wildlife & Parks and Montana State University are asking anglers to help with trout research in the Big Hole, ...

Working with Montana State University, biologists are in their second year of tagging trout in the Big Hole, Beaverhead, Ruby ...